839     PEVENT_CB_S pstEventCB;  in osEventFlagsNew()  local
848     pstEventCB = (PEVENT_CB_S)LOS_MemAlloc(m_aucSysMem0, sizeof(EVENT_CB_S));  in osEventFlagsNew()
849     if (pstEventCB == NULL) {  in osEventFlagsNew()
853     ret = LOS_EventInit(pstEventCB);  in osEventFlagsNew()
855         return (osEventFlagsId_t)pstEventCB;  in osEventFlagsNew()
857         if (LOS_MemFree(m_aucSysMem0, pstEventCB) != LOS_OK) {  in osEventFlagsNew()
875     PEVENT_CB_S pstEventCB = (PEVENT_CB_S)ef_id;  in osEventFlagsSet()  local
879     if (pstEventCB == NULL) {  in osEventFlagsSet()
883     ret = LOS_EventWrite(pstEventCB, (UINT32)flags);  in osEventFlagsSet()
885         rflags = pstEventCB->uwEventID;  in osEventFlagsSet()
894     PEVENT_CB_S pstEventCB = (PEVENT_CB_S)ef_id;  in osEventFlagsClear()  local
899     if (pstEventCB == NULL) {  in osEventFlagsClear()
904     rflags = pstEventCB->uwEventID;  in osEventFlagsClear()
906     ret = LOS_EventClear(pstEventCB, ~flags);  in osEventFlagsClear()
917     PEVENT_CB_S pstEventCB = (PEVENT_CB_S)ef_id;  in osEventFlagsGet()  local
921     if (pstEventCB == NULL) {  in osEventFlagsGet()
926     rflags = pstEventCB->uwEventID;  in osEventFlagsGet()
934     PEVENT_CB_S pstEventCB = (PEVENT_CB_S)ef_id;  in osEventFlagsWait()  local
959     ret = LOS_EventRead(pstEventCB, (UINT32)flags, mode, (UINT32)timeout);  in osEventFlagsWait()
982     PEVENT_CB_S pstEventCB = (PEVENT_CB_S)ef_id;  in osEventFlagsDelete()  local
989     if (LOS_EventDestroy(pstEventCB) != LOS_OK) {  in osEventFlagsDelete()
994     if (LOS_MemFree(m_aucSysMem0, (void *)pstEventCB) != LOS_OK) {  in osEventFlagsDelete()